Fix scripts/parse_commands.py for pytest-html v3

                    cmds_dec.extend(re.findall(r"DUT decoder command:\\n\\t(.*?)\\n", line))

                    cmds_rend.extend(re.findall(r"Running command\\n(.*?)\\n", line))

    # If pytest-html < v4 is used, the parsing will fail and render empty lists. This is a work-around in case that happens.

    if all(not x for x in [cmds_enc, cmds_dec, cmds_rend]):

        for html_report in input:

            with open(html_report,'r') as infile:

                enc_cmd = False

                dec_cmd = False

                rend_cmd = False

                for line in infile.readlines():

                    if enc_cmd:

                        cmds_enc.append(line)

                        enc_cmd = False

                    elif dec_cmd:

                        cmds_dec.append(line)

                        dec_cmd = False

                    elif rend_cmd:

                        cmds_rend.append(line)

                        rend_cmd = False

                    else:

                        if "DUT encoder command" in line:

                            enc_cmd = True

                        elif "DUT decoder command" in line:

                            dec_cmd = True

                        elif "Running command" in line:

                            rend_cmd = True

    # Sort lists to keep deterministic order between runs

    cmds_enc.sort()

    cmds_dec.sort()

    cmds_rend.sort()

    with open(txt_file.replace('.','_enc.'),'w', newline='\n') as outfile:

        with open('scripts/enc_header.txt','r') as header:

            outfile.write(header.read())